`duffield.cn`

DNSSEC	⚠️ Not signed
NS	`udns1.cscdns.net` ⭐ 🔒
		A	2001:502:f3ff::201^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`edns1.ultradns.com`
			PTR	`udns1.cscdns.net`
			PTR	`udns1.cscdns.uk`
			PTR	`ns1.webipdns.com.au`
		A	204.74.66.1^{🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar}
			PTR	`ns1.alba.bank`
			PTR	`edns1.ultradns.com`
			PTR	`udns1.cscdns.net`
			PTR	`udns1.cscdns.uk`
			PTR	`ns1.webipdns.com.au`
NS	`udns2.cscdns.uk`
		A	2001:502:4612::201^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`udns2.cscdns.net`
			PTR	`edns1.ultradns.org`
			PTR	`udns2.cscdns.uk`
			PTR	`ns2.webipdns.com.au`
		A	204.74.111.1^{🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar}
			PTR	`ns2.alba.bank`
			PTR	`udns2.cscdns.net`
			PTR	`edns1.ultradns.org`
			PTR	`udns2.cscdns.uk`
			PTR	`ns2.webipdns.com.au`
TXT	`v=spf1 mx -all`
SOA	`udns1.cscdns.net`hostmaster@cscdns.net 2022-11-04 #3

`cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034546407

Same first word

duffield.io

duffield.com.au

duffield.cn

duffield.org

DNS History

2 records (2 active, 0 former)

●NSudns1.cscdns.net2026-02-21 → 2026-03-23 · 2 obs

● 2026-02-21 15:10:42
● 2026-03-23 13:36:42

●NSudns2.cscdns.uk2026-02-21 → 2026-03-23 · 2 obs

● 2026-02-21 15:10:42
● 2026-03-23 13:36:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
duffield.cn	udns1.cscdns.net, udns2.cscdns.uk	-

✅ Authoritative Response

Server:204.74.66.1

NS records: udns1.cscdns.net, udns2.cscdns.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duffield.cn (unsigned zone)

⏱️ Timing

Total: 4001ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`udns1.cscdns.net, udns2.cscdns.uk`
TXT	1	`v=spf1 mx -all`
SOA	1	`udns1.cscdns.net hostmaster.cscdns.net`

Analysis

Name Servers

duffield.cn is delegated to two name servers: udns1.cscdns.net and udns2.cscdns.uk.

duffield.cn shares the same name server setup as other domains, for example shopadidas.ch, vidalsasson.com, firstbusconnect.com, nutreco.org and pranieze.pl.

duffield.cn partially shares name servers with other domains, for instance fidelitycashmanager.com, zanussi.hu, activetraderpro.com and 186.223.192.in-addr.arpa.

These name servers are commonly used with a1-188.akam.net, a2-65.akam.net and a8-64.akam.net.

Host names with two IP numbers:

udns1.cscdns.net points to 2001:502:f3ff::201 and 204.74.66.1

udns2.cscdns.uk points to 2001:502:4612::201 and 204.74.111.1

duffield.cn - robtex.com

duffield.cn

cn